Adjusting the thread trimmer
Service Instructions 171/173 - 00.0 - 01/2020 37
Checking the thread clamping plate
Fig. 24: Adjusting the thread trimmer (4)
Proper setting
The thread clamping plate (10) holds the cut thread end gently in place to
ensure a secure seam beginning.
Disturbance
If set too tight, the clamping plate may cause ruffing at the seam beginning.
Assembling the thread trimmer and adjusting the end positions
Fig. 25: Adjusting the thread trimmer (5)
(8) - Thread clamping plate
(2) - Screws
(3) - Screws
(4) - movable knife
(9) - Edge
(10) - Knife carrier
(11) - Piston rod
(12) - Block
(13) - Cylinder
(14) - Ball lever
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